| Used Operating Systems |
| 1 | 6877 | 46.21 | 343 | 6.90 | Windows NT |
| 2 | 6760 | 45.43 | 4236 | 85.16 | +http://www.baidu.com/search/spider.html |
| 3 | 675 | 4.54 | 233 | 4.68 | +http://www.google.com/bot.html |
| 4 | 186 | 1.25 | 55 | 1.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 136 | 0.91 | 43 | 0.86 | +http://yandex.com/bots |
| 6 | 108 | 0.73 | 9 | 0.18 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 58 | 0.39 | 21 | 0.42 | Windows 98 |
| 8 | 46 | 0.31 | 12 | 0.24 | +http://www.bing.com/bingbot.htm |
| 9 | 19 | 0.13 | 8 | 0.16 | Linux i686 [unknown version] |
| 10 | 4 | 0.03 | 4 | 0.08 | Macintosh PPC |
| 11 | 2 | 0.01 | 2 | 0.04 | Windows 95 |
| 12 | 2 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 13 | 2 | 0.01 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
| 14 | 2 | 0.01 | 2 | 0.04 | Windows 9x |
| 15 | 1 | 0.01 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 16 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 17 | 1 | 0.01 | 1 | 0.02 | +http://www.domainratio.com |
| 18 | 1 | 0.01 | 1 | 0.02 | X11 |
